But then I think your feelings are unreasonable..
And there you have it. You are unreasonable to have PTSD.
More to the point, you are unreasonable to expect that a MAN, even one who claims to love you, should give a toss that you have PTSD, especially when he's planning his important manly leisure activities with his manly mates.
Men's hobbies always trump women's comfort and wellbeing (and often their family life, health and sometimes jobs). Didn't you know that?
And, PTSD, really? (You're probably just making it up for attention anyway. We all know PTSD is what soldiers get after being in wars, not silly women making a fuss about silly women things).
This whole thread reminds me of that old Harry Enfield character, in public information broadcast mode; 'Women! Know your place!'.
What worries me about you and for you OP, is that you felt the need to post at all. That you doubted yourself and the idea that you and your health, wellbeing and happiness matter, to the extent that you have tolerated this weekly assault on your wellbeing for five months and haven't just said 'no' and more recently 'go elsewhere'. This tells me that you are, at least in part, in the 'poor bloke, men's fun comes first' camp yourself, consciously or otherwise. Let it go. Look after yourself. It's very clear that no-one else will.
When you buy or rent a house together, that will be your shared home. This is your home. Contributing towards bills for stuff he's using while he's there, doesn't mean he owns your home, or you.